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The Simultaneous Multi-Threading (SMT) architecture improves the resource efficiency via scheduling and executing concurrent threads in the same core. Moreover, fetch policies are proposed to assign priorities in the fetch stage to manage the shared resources. However, power consumption study is omitted in most fetch policies. On the other hand, the power management schemes nowadays are focused on multicore processors. Given the growing demands to manage the power consumption of processors and the fully shared system resources in SMT environment, it requires detailed research to develop the power management in an SMT processor.
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